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arXiv 1109.6325nucl-thhep-lathep-phnucl-ex
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光夸克强子的研究

Looking into the matter of light-quark hadrons

Craig D. Roberts

摘要:

在处理QCD时,理论与现存和即将到来的实验之间的建设性反馈是必要的,以便对QCD的β函数的红外行为施加约束,β函数是强子物理学中的关键非微扰量。Dyson-Schwinger方程为实现这一目标提供了一个工具。它们将禁闭与动力学手征对称性破缺联系起来,两者都与强子的可观测性质联系起来,从而提供了一种阐明现实世界QCD物质内容的方法。这一贡献说明了这些点,通过评论:在强子凝聚,缀饰夸克异常色和电磁矩,介子和重子的光谱,以及强子-强子相互作用在产生这些光谱中发挥的关键作用。

英文摘要:

In tackling QCD, a constructive feedback between theory and extant and forthcoming experiments is necessary in order to place constraints on the infrared behaviour of QCD's β-function, a key nonperturbative quantity in hadron physics. The Dyson-Schwinger equations provide a tool with which to work toward this goal. They connect confinement with dynamical chiral symmetry breaking, both with the observable properties of hadrons, and hence provide a means of elucidating the material content of real-world QCD. This contribution illustrates these points via comments on: in-hadron condensates; dressed-quark anomalous chromo- and electro-magnetic moments; the spectra of mesons and baryons, and the critical role played by hadron-hadron interactions in producing these spectra.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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